Spring Plate

Spring plates normally rust & rubber bushes deteriorate, replacing them will give you a better ride. Price is Each.

Fits:
Porsche 911 1969-76
Porsche 912 1969

Click 'Zoom in' for large parts diagram.
Diagram Ref No. 25

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90133300309

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Spring Plate With Bushing, Rear.

The OE Match Rear Spring Plate with Bushing is a replacement suspension component for classic Porsche 911 and Porsche 912 models equipped with rear torsion-bar suspension.
Price Is Each.

Fits:

• Porsche 911 1969-76
• Porsche 912 1969

Diagram Ref No 25

The spring plate forms an important connection between the rear suspension and the torsion bar. As the rear wheel moves through its suspension travel, the spring plate transfers that movement into the torsion bar, which twists to provide the springing force required to support the rear of the vehicle.

The integrated rubber bushing supports the spring plate within its mounting point while allowing controlled rotational movement. It also helps isolate vibration and prevents excessive metal-to-metal movement between the spring plate and surrounding suspension structure.

Over time, original spring plates can suffer from corrosion, while the rubber bushings can harden, crack, compress or deform. Replacing the complete assembly helps restore correct suspension movement, rear ride height and predictable handling.

What This Product Does:

• Connects the rear suspension to the torsion bar.
• Transfers suspension movement and load into the torsion bar.
• Allows the torsion bar to provide the rear springing force.
• Helps maintain correct rear ride height.
• Supports stable rear suspension geometry.
• Helps control wheel movement during acceleration, braking and cornering.
• Uses a rubber bushing to provide controlled articulation.
• Helps isolate suspension vibration and noise from the chassis.
• Prevents excessive movement at the spring plate mounting point.
• Replaces a corroded, bent or damaged original spring plate.
• Replaces an aged, cracked or deformed spring plate bushing.
• Helps restore suspension performance during a rear suspension rebuild or vehicle restoration.

A correctly functioning spring plate and bushing assembly helps maintain consistent rear ride height, alignment and smooth suspension articulation.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Knocking or clunking from the rear suspension.
• Creaking or rubbing noises over bumps.
• Rear suspension feeling loose or less precise.
• Excessive movement around the spring plate mounting point.
• Vehicle feeling unstable or vague during cornering.
• Uneven rear ride height.
• One side of the vehicle sitting lower than the other.
• Increased vibration through the rear of the vehicle.
• Poor or inconsistent suspension response.
• Spring plate rubbing against its cover.
• Visible cracking or deterioration of the rubber bushing.
• Rubber becoming compressed or permanently distorted.
• Heavy corrosion or rust on the spring plate.
• Deep pitting or scaling of the metal.
• Bent or physically damaged spring plate.
• Difficulty maintaining correct rear wheel alignment.

Worn bushings can deform enough to allow the spring plate to contact its cover, producing rubbing or knocking noises and allowing unwanted suspension movement.

Why Replacement Matters:
The spring plate is a structural part of the rear torsion-bar suspension system.

If the plate becomes badly corroded, distorted or damaged, it may no longer transfer suspension loads correctly. Likewise, deteriorated bushings can allow excessive movement and prevent the spring plate from remaining accurately positioned.

Replacing a worn assembly helps restore:

• Correct rear suspension movement.
• Consistent ride height.
• Improved rear-end stability.
• Predictable handling.
• Correct suspension geometry.
• Reduced knocking and rubbing noises.
• Better vibration isolation.
• Reliable torsion-bar operation.
• More consistent tyre contact with the road.

Maintaining tight, controlled spring plate movement also helps reduce unnecessary stress on surrounding suspension components.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90133300309

The product you are viewing cross references to these numbers

Spring Plate With Bushing, Rear.

The OE Match Rear Spring Plate with Bushing is a replacement suspension component for early Porsche 911 and Porsche 912 models using the rear torsion-bar suspension system.
Price Is Each.

Fits:

• Porsche 911S / 911TU / 911L 1965-68
• Porsche 912 1965-68

Diagram Ref No 16

The spring plate connects the rear suspension to the torsion bar and transfers suspension movement and load into the torsion bar as the rear wheels move over bumps, during cornering and under acceleration or braking.

The integrated rubber bushing supports the spring plate within its mounting point while allowing controlled suspension movement. It also helps isolate vibration and prevents excessive metal-to-metal movement between the spring plate and surrounding suspension structure.

Correct spring plate condition is essential for maintaining rear ride height, suspension geometry and predictable handling. On older vehicles, corrosion of the metal plate and deterioration of the rubber bushing can lead to increased movement, noise and inconsistent suspension behaviour.

What This Product Does:

• Connects the rear suspension assembly to the torsion bar.
• Transfers suspension loads into the torsion bar.
• Allows the torsion bar to provide the rear springing force.
• Helps maintain the correct rear ride height.
• Supports consistent rear suspension geometry.
• Helps control wheel movement under acceleration, braking and cornering.
• Uses a rubber bushing to allow controlled articulation.
• Helps isolate vibration and suspension noise from the chassis.
• Prevents excessive movement between the spring plate and its mounting points.
• Replaces a corroded, damaged or distorted original spring plate.
• Replaces an aged, cracked or deformed spring plate bushing.

The spring plate is a central part of the classic Porsche torsion-bar suspension system. As the rear suspension moves, the torsion bar twists and stores energy, while the spring plate transmits that movement between the suspension and torsion bar.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Knocking or clunking from the rear suspension.
• Creaking or rubbing noises over bumps.
• Excessive movement around the spring plate mounting area.
• Rear suspension feeling loose or less precise.
• Vehicle wandering or feeling unstable during cornering.
• Uneven or sagging rear ride height.
• One side of the vehicle sitting lower than the other.
• Increased vibration through the rear of the vehicle.
• Poor rear suspension response.
• Visible cracking or deterioration of the rubber bushing.
• Rubber becoming compressed or permanently distorted.
• Spring plate contacting its cover or surrounding metalwork.
• Heavy corrosion or rust on the spring plate.
• Pitting, scaling or loss of material from the plate.
• Bent or physically damaged spring plate.
• Difficulty maintaining correct rear suspension alignment.

Some of these symptoms can also be caused by worn torsion bars, trailing-arm bushes, wheel bearings or other suspension components, so the complete rear suspension should be inspected before replacement.

Why Replacement Matters:
The spring plate forms a structural connection between the rear suspension and torsion bar.

If the plate becomes badly corroded, damaged or distorted, it may no longer transmit suspension loads correctly. Similarly, a deteriorated bushing can allow excessive movement at the mounting point.

Replacing a worn spring plate and bushing helps restore:

• Correct rear suspension movement.
• Consistent ride height.
• Improved rear-end stability.
• More predictable handling.
• Correct suspension geometry.
• Reduced knocking and rubbing noises.
• Better isolation of vibration.
• Reliable torsion-bar operation.

A sound spring plate assembly also helps prevent unnecessary loads from being transferred into surrounding suspension components.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90133300307

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Spring Plate Wrench.

Fits
Porsche 911 1964 - 1989
Porsche 914-6

Combining 24mm and 36mm wrenches, the Rennline Spring Plate Wrench was designed to be slim enough to reach those tough places between the spring plate and the frame.
Manufactured from tool steel, the wrench holds up under heavy use while it's slim size solves a common problem with spring plate installation.
Compatible with Rennline Adjustable Spring Plates.

QuickChange™ Spring Plate Kit.
Sold per kit, 1 kit req'd per car.

Fits:
Porsche 911/912/930 1965-1986

Available In Three Configurations
• For '65-'68 911/912, Short Wheel Base
• For '69-'86 911/912, '75-'86 930, Long Wheel Base
• For '69-'86 911/912, '75-'86 930, Splined Hub Kit

Change Torsion Bars and Adjust Ride Height

QuickChange spring plates make fast-work of torsion bar re-indexing and replacement. Screw-type adjuster makes corner balancing and ride height adjustment a breeze. Pairs the high quality of the factory design with ease of servicing.

• 5 minute torsion bar changes
• Fast and easy ride-height adjustment
• Accepts standard bushings

Setup is fast and easy

If you've ever re-indexed torsion bars to correct ride height, you can really appreciate the benefits of QuickChange. Used in combination with our QuickChange Torsion Bars and Polybronze bearings, this spring plate allows rapid replacement or re-indexing of torsion bars.

QuickChange Torsion Bar Changeout

QuickChange Torsion Bars can be extracted through the QuickChange Spring Plate without removing any bolts. Alignment settings are maintained. You don't even need to remove the wheel from the car. Changing torsion bars is a 5 minute per side operation!

Unlike other aftermarket spring plates, QuickChange Spring Plates bolt the plates together. This prevents the plates "halves" from sliding against each other and eliminates failures and metallic clicking noises common with competing products.

Can be used with any torsion bar and bushing that fits factory spring plates – not included – however QuickChange Torsion bars and PolyBronze Bearings are required to use torsion bar extraction features.

Kits for '69-'86 long wheel base cars include a screw type height adjuster. Kits for '65-'68 short wheel base cars use an eccentric bolt height adjuster for improved tire clearance.

To add QuickChange functionality to your existing set of '77-'86 factory adjustable spring plates or ASP, you can order the Splined Hub separately.

Splined Hub Kits

The Splined Hub Kit includes the small plate and adjuster hardware to mate with the large plate from your donor set of factory adjustable spring plates, or the ASP. Order one kit per car.

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208090

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RSR 935 Rear Spring Plate Set For Porsche 911 / 930 Turbo

Fits:
Porsche 911 1966-89 with rear coil overs
Porsche 930 Turbo
Porsche 912's with rear coil overs

Features & Quality
Our coilover-only spring plate system has the added features and thoughtful engineering you expect from Elephant Racing.
Rubber Seals

Rubber seals keep water and contaminate out of the oversized precision rod ends. Seals are critical to extend rod end life for both racers and street cars. Racers have the occasional "agricultural excursion", covering the suspension with grit and dirt that accelerates wear of unsealed rod ends. Street cars have occasional exposure to water when washing or in rain. Rubber seals are key to long life.
Build Quality

Skillful TIG welding and machined radius on the plate. Hard anodize burgundy aluminum parts are tough, attractive and look good on most any color car. Top quality materials throughout.

Hardened alloy steel blades and aircraft grade aluminum to handle even high HP turbos.

Precision, Oversize rod end – For long trouble-free performance.
Ease of adjustment

Drilled hole positively defines plate length ensuring proper thread engagement at double adjuster and rod end, preventing accidental over-extension possible with double-slotted designs.
Two Height Settings

Choose stock height or 1 inch raise for anti-squat geometry (requires matching raise of trailing ar

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2180000

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Torsion bar rubber sleeve INNER without rim . Rear axle.

Outer dia: 69mm
Inner dia: 48mm
Thickness: 31mm

Fits:
Porsche 356 pre-A / A  1950-1959
Porsche 356 B / C 1960-1965 (chassis >>131 720, >>154 229, >>88 663)

Porsche 911/912 1965-1967 (up to chassis #307325)

For 356 Pre-A, A, and B, 4 are required w/original covers, and 2 are required w/replacement covers. For all 356C models, 2 are required).

Diagram ref no 36

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Related, superseded, cross reference or alternative numbers for comparison.

64433313100

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Torsion bar rubber sleeve.
Rear Axle.

Outer dia: 69mm
Inner dia: 48mm
Thickness: 31mm

Fits:
Porsche 356A 1950-1959
Porsche 356B 1960-1965 (chassis >>131 720, >>154 229, >>88 663)
Porsche 911/912 1965-1967

Diagram ref no 36

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64433313100

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Washer For Camber Adjuster 12.4 x 25 x 4MM.
The Porsche Washer for Camber Adjuster is a genuine OEM component designed to ensure precise suspension alignment. Used as part of the camber adjustment assembly, this washer acts as a spacer and load distributor, helping maintain secure and accurate positioning of the suspension arms.
Sold Each.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1969-1969 2.2L / 2.4L / 2.7L RS LWB (F)
• Porsche 928 4.5L 1978-82
• Porsche 928S2 4.7L 1984-86
• Porsche 928S4 5.0L 1987-92
• Porsche 928GTS 5.4L 1992-95

What This Product Does:

• As a washer used in a camber adjuster, its job is to act as a spacer or shim between the adjuster mechanism and adjacent components (arm, bracket, nut, etc.).
  
• Helps maintain the correct alignment spacing / preload so that camber adjustment geometry is precise and held firmly.
  
• Prevents metal-to-metal friction, distributes load, and ensures fasteners seat properly.

Signs / Symptoms Of Fault Or Need For Replacement:

• Camber adjustment doesn't stay stable — alignment drifts or slips.
• Unwanted play in suspension / control arm area near the adjuster.
• When removing or reinstalling camber adjuster, the original washer is worn, bent, or shows damage.
• Hard to achieve the correct alignment or shim stack due to missing or damaged spacer.

Why Replacement Matters:

• Ensures accurate alignment — camber settings rely on precise spacing, and a worn or missing washer can ruin alignment.
  
• Preserves hardware life — correct spacing reduces uneven stress or wear on adjuster bolts, bushings, or arms.
• Maintains safety and handling — camber out of spec can lead to poor tyre contact, excessive wear, or less stable cornering.
  
  

Diagram Ref No 29

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PCG33314302

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